EP3982552A4 - Channel measurement method and communication apparatus - Google Patents

Channel measurement method and communication apparatus Download PDF

Info

Publication number
EP3982552A4
EP3982552A4 EP20818110.7A EP20818110A EP3982552A4 EP 3982552 A4 EP3982552 A4 EP 3982552A4 EP 20818110 A EP20818110 A EP 20818110A EP 3982552 A4 EP3982552 A4 EP 3982552A4
Authority
EP
European Patent Office
Prior art keywords
communication apparatus
measurement method
channel measurement
channel
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20818110.7A
Other languages
German (de)
French (fr)
Other versions
EP3982552A1 (en
Inventor
Haifan YIN
Huangping JIN
Shibin GE
Xiaoyan Bi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3982552A1 publication Critical patent/EP3982552A1/en
Publication of EP3982552A4 publication Critical patent/EP3982552A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP20818110.7A 2019-06-06 2020-06-02 Channel measurement method and communication apparatus Pending EP3982552A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910493468.1A CN112054824B (en) 2019-06-06 2019-06-06 Channel measurement method and communication device
PCT/CN2020/093895 WO2020244496A1 (en) 2019-06-06 2020-06-02 Channel measurement method and communication apparatus

Publications (2)

Publication Number Publication Date
EP3982552A1 EP3982552A1 (en) 2022-04-13
EP3982552A4 true EP3982552A4 (en) 2022-06-29

Family

ID=73608915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20818110.7A Pending EP3982552A4 (en) 2019-06-06 2020-06-02 Channel measurement method and communication apparatus

Country Status (4)

Country Link
US (1) US11943014B2 (en)
EP (1) EP3982552A4 (en)
CN (2) CN113660013A (en)
WO (1) WO2020244496A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4010988A4 (en) * 2019-08-05 2022-12-21 Cohere Technologies, Inc. Spectral sharing wireless systems
US20240137093A1 (en) * 2021-02-01 2024-04-25 Beijing Xiaomi Mobile Software Co., Ltd. Encoding method and decoding method for channel state information and communication device
CN115085876A (en) * 2021-03-10 2022-09-20 华为技术有限公司 Method and device for determining channel quality indication

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190028254A1 (en) * 2014-11-17 2019-01-24 Samsung Electronics Co., Ltd Csi feedback for mimo wireless communication systems with polarized active antenna array

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9088323B2 (en) * 2013-01-09 2015-07-21 Lg Electronics Inc. Method and apparatus for reporting downlink channel state
CN110212958B (en) * 2013-05-21 2021-03-26 上海朗帛通信技术有限公司 Channel information feedback method and device in mobile communication system
US10432283B2 (en) * 2016-03-07 2019-10-01 Satixfy Uk Limited Digital beam forming system and method
CN107371241B (en) * 2016-05-12 2021-03-23 华为技术有限公司 Reference signal transmission method, network equipment, user equipment and communication system
EP4064586A3 (en) * 2016-08-11 2023-01-25 Interdigital Patent Holdings, Inc. Csi feedback design for new radio
CN106972881B (en) * 2017-02-22 2019-11-22 上海华为技术有限公司 A kind of method and apparatus of wave beam forming BF weight assignment
CN113422675A (en) * 2017-08-09 2021-09-21 华为技术有限公司 Method and device for transmitting control information
CN109462462B (en) * 2017-09-06 2021-07-27 上海朗帛通信技术有限公司 Method and device used in user and base station of wireless communication
CN109495149B (en) * 2017-09-11 2021-10-15 华为技术有限公司 Communication method, network equipment, terminal equipment and system
WO2019049110A1 (en) * 2017-09-11 2019-03-14 Telefonaktiebolaget Lm Ericsson (Publ) Precoding and multi-layer transmission using reference signal resource subsets
CN111342873B (en) 2018-12-18 2021-11-30 华为技术有限公司 Channel measurement method and communication device
CN113489517A (en) 2018-12-18 2021-10-08 华为技术有限公司 Channel measurement method and communication device
CN113452418A (en) 2018-12-18 2021-09-28 华为技术有限公司 Channel measurement method and communication device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190028254A1 (en) * 2014-11-17 2019-01-24 Samsung Electronics Co., Ltd Csi feedback for mimo wireless communication systems with polarized active antenna array

Also Published As

Publication number Publication date
US11943014B2 (en) 2024-03-26
CN113660013A (en) 2021-11-16
WO2020244496A1 (en) 2020-12-10
US20220123793A1 (en) 2022-04-21
CN112054824B (en) 2021-07-16
EP3982552A1 (en) 2022-04-13
CN112054824A (en) 2020-12-08

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